Paramore singer Hayley Williams and Weezer singer River Cuomo team together to sing a duet called “Rainbow Connection” for the new Muppets: The Green Album LP!

The tune, which Kermit the Frog originally sang in the 1879 movie “The Muppet Movie,” gives listeners a laid-back sound with dreamy lyrics. Listen to the duo sing a Muppets classic that will make you feel like you’re back in elementary school!

AT 40 FOCUS: Sign Up For The iHeartRadio Music Festival Sweepstakes!

Don’t forget to sign up for the SOLD-OUT iHeartRadio Music Festival in Las Vegas before time runs out! Enter today for a chance to win a trip for 2 on September 23rd and 24th, featuring A-List artists such as Lady Gaga, Jennifer Lopez, The Black Eyed Peas, and more! Prize package includes roundtrip airfare for 2 people to Las Vegas, 2 nights hotel accommodations, roundtrip airport transfers in Las Vegas, and 2 tickets to the festival! Don’t miss this opportunity, sign up now!

AT 40 FOCUS: Did Joe Jonas Ignore Shia LeBeouf On The Street?

Paparazzi spotted Shia LeBeouf and Joe Jonas brushing shoulders without any acknowledgment to each other that led to the rumor mill spewing rumors that the two were feuding! Joe Jonas quickly cleared up the attacks when he called into “On Air with Ryan Seacrest” to admit that he “didn’t recognize” the “Transformers” star! Joe confirmed that there is absolutely no animosity between him and Shia. We can’t blame the guy for having poor facial recognition skills!

AT 40 FOCUS: Kelly Clarkson’s New Single “Mr. Know It All”

The Season 1 American Idol winner Kelly Clarkson debuts her new single “Mr. Know It All” that she was so excited for her fans to hear. The chart-topping hit is unlike her guitar-driven anthems she usually sings, claiming her entire album is a “vocally raw record.” We can’t wait to hear her entire album out October 25th. “Mr. Know It All” will be available September 5th!